A.O. Smith Cyclone Mxi Installation Manual
Table Of Contents
- Safe Installation, Use, and Service
- APPROVALS
- General Safety Information
- Introduction
- Features and Components
- Installation Considerations
- Installation Requirements
- Gas Supply Systems
- Supply Gas Regulator
- Power Supply
- Power Fluctuations and Electrical Noise
- Mixing Valves
- Dish-washing Machines
- Closed Water Systems
- Thermal Expansion
- Temperature-Pressure Relief Valve
- Condensate Drain
- Combustible Material Storage
- Contaminated Air
- Air Requirements
- Fresh Air Openings For Confined Spaces
- Outdoor Air Through One Opening
- Installation Requirements - Commonwealth of Massachusetts
- Venting Installation
- General Venting Information
- Category IV Appliances
- General Venting Instructions
- Venting Requirements
- Common Direct Venting
- Venting Installation Sequence
- Power Vent Installation
- Direct Vent Installation
- Vertical Termination Installation
- Polypropylene Installations
- AL29-4C® Vent Installations
- Common Direct Venting Requirements
- Concentric Termination Installation Preparation
- Concentric Termination Installation
- Low-Profile Vent Termination installation
- Venting Arrangements
- Termination Clearances Sidewall Power Vent
- Termination Clearances Sidewall Direct Vent
- Water Heater Installation
- Temperature Regulation
- Control System Operation
- Start Up
- Lighting the Water Heater
- Troubleshooting
- Maintenance
- Diagrams
- Notes
71
CIRCULATION PUMP WIRING DIAGRAMS
FIELD SUPPLIED TEMPERATURE CONTROL
INSTALLED IN THE STORAGE TANK
OR CIRCULATING LOOP RETURN LINE
CIRC
PUMP
MOTOR
L1 HOT
L2 NEUTRAL
120 VAC
POWER
NOTE: USE SEPARATE 120 VAC POWER
SUPPLY FOR PUMP CIRCUIT. DO NOT
SHARE POWER WITH WATER HEATER AS
THIS MAY CAUSE ELECTRICAL LINE
NOISE AND LEAD TO ERRATIC CONTROL
SYSTEM OPERATION.
Figure 68. Circulating Pump Wiring Diagram - Storage Tank or Building Recirculation
FIELD SUPPLIED TEMPERATURE
CONTROL INSTALLED IN THE
CIRCULATING LOOP RETURN LINE
DISHWASHER
TOGGLE
SWITCH
CIRC
PUMP
MOTOR
L1 HOT
L2 NEUTRAL
120 VAC
POWER
NOTE: USE SEPARATE 120 VAC POWER
SUPPLY FOR PUMP CIRCUIT. DO NOT
SHARE POWER WITH WATER HEATER AS
THIS MAY CAUSE ELECTRICAL LINE
NOISE AND LEAD TO ERRATIC CONTROL
SYSTEM OPERATION.
Figure 69. Circulating Pump Wiring Diagram - Dishwasher Loop Toggle Switch
Printed on 2/7/2019 9:11 AM CT